# s1="yuan"
# s1="rain"
# print(s1)
# s1="Rain"
#
# s = "hello yuan"
# print(len(s))
# print(s[-1])
# print(s[len(s)-1])
#
# print(len([1,2,3]))

print("*" * 100)

print("rain" in "rain eric yuan")